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AVK control valve, float level (modulating), PN10/16

Full bore, AISI 316

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Float level (mod.) control valve, full bore, for water and neutral liquids to max. 70° C

AVK diaphragm operated control valves for float level control automatically control the water levels in tanks or reservoirs. The modulating float (flow in and out of tank/reservoir is proportional) is remotely installed, and controls the tank/reservoir level at a defined set point. The valve closes tight at wanted level and opens if filling is needed.

Variant 859/1034-001
Connection: Flanged
Material: Ductile iron
DN: DN50 - DN300
PN: PN 10/16

Features

Main control valve

  • Lifted seat to avoid damage due to cavitation
  • High Kv value at fully open position
  • Geometry of regulating plug provides high ratio of travel Kv, resulting in optimal control performance
  • Non-symmetric axial position of rubber diaphragm results in less stretch/stress near closed position
  • All non-coated internals made of stainless steel AISI 316
  • Body and bonnet of ductile iron with fusion bonded epoxy, 300micron, GSK approved, RAL 5017, according to DIN 3476 and WRAS-DVGW/W270/UBA.
  • All rubber components with multiple approvals (EN 681-1, KTW, W270, ACS, WRAS)

Pilot system

  • Modular and compact design for easy application change
  • Main components made of stainless steel AISI 316:
    • Distribution block:
      -  Connecting main control valve to pilot system
      -  Easy adjustment of regulating speed
      -  Control orifice
    • Filter:
      - High capacity, easy to flush with possibility of back flushing
      - Mesh 100, high performance wire screen type
    • Hydraulic control block:
      - Includes balanced pilot valve providing more stable pressure set
      - Can be set up for different applications, using single-function modules (SFM) or multi-function modules (MFM)

Downloads

Datasheet

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 Flange
drilling		 L
mm		 W1
mm		 W2
mm		 H3
mm		 Theoretical
weight/kg
859-0050-10-1140034 50 PN10/16 230 108 98 318 14
859-0065-10-1140034 65 PN10/16 290 115 108 343 19
859-0080-10-1140034 80 PN10/16 310 125 117 364 23
859-0100-10-1140034 100 PN10/16 350 140 140 389 32
859-0150-10-1140034 150 PN10/16 480 203 203 494 73
859-0200-10-0140034 200 PN10 600 253 253 606 125
859-0200-10-1140034 200 PN16 600 253 253 606 125
859-0250-10-0140034 250 PN10 730 277 277 687 180
859-0250-10-1140034 250 PN16 730 277 277 687 180
859-0300-10-0140034 300 PN10 850 302 302 758 233
859-0300-10-1140034 300 PN16 850 302 302 758 233
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Components

1. O-ring EPDM rubber
2. O-ring EPDM rubber
3. Hex nut Stainless steel A4, anti friction
4. Plug sealing EPDM rubber
5. Washer Stainless steel A4
6. Bolt Stainless steel A4
7. Diaphragm EPDM rubber
8. O-ring EPDM rubber
9. Hex nut Stainless steel A4, anti friction
10. Flat seal EPDM rubber
11. Flat seal EPDM rubber
12. Stem Stainless steel AISI 316
13. Stem guide Stainless steel AISI 316
14. Bonnet Ductile iron GJS-500-7 (GGG-50)
15. Spring Stainless steel AISI 316
16. Diaphragm support Stainless steel AISI 316
17. Distance pipe Stainless steel AISI 316
18. Plug retainer Stainless steel AISI 316
19. Regulating plug Stainless steel AISI 316
20. Seat Stainless steel AISI 316
21. Body Ductile iron GJS-500-7 (GGG-50)
22. Flat seal EPDM rubber
23. O-ring NBR rubber
24. Gasket EPDM rubber
25. Bushing Stainless steel AISI 316
26. Needle close control Stainless steel AISI 316
27. Body Stainless steel AISI 316
28. O-ring EPDM rubber
29. Insert Stainless steel AISI 316
30. O-ring EPDM rubber
31. Needle open control Stainless steel AISI 316
32. O-ring EPDM rubber
33. O-ring EPDM rubber
34. Body Stainless steel AISI 316
35. O-ring EPDM rubber
36. Spring Stainless steel AISI 316
37. Ball Stainless steel AISI 316
38. Seat Stainless steel AISI 316
39. Bushing Stainless steel AISI 316
40. Push/snap fitting Stainless steel
41. Bolt Stainless steel A4
42. Mechanical air-vent Stainless steel AISI 316
43. Filter Stainless steel AISI 316

Test/Approvals

  • Seat: 1.1 x PN. Body: 1.5 x PN. 
  • WRAS approved materials

Standards

  • EN 1074-5
  • Face-to-face dimension according to EN 558, Series 1
  • Flange drilling to EN1092, PN10/16
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